Power Supply; Gas Path - TESTO 325-3 Instruction Manual

FG
Standard rechargeable batteries or batteries
- Use standard rechargeable battery type (1.5V IEC KR 15/51
corresponding to type AA) or battery type (1.5V AA size alkaline
IEC LR6 •AA• ) (4 off).
Testo mains unit (0554.0054)
- Ensure that the connection plug in testo 325 is securely
connected.
- Operation with mains unit is possible if rechargeables/
batteries are empty (batteries cannot be recharged in analyser)
It is normal for the mains unit to heat up. If temperatures are too
high (e.g. due to an error in the analyser) the mains unit is
protected by a thermal protection switch against overheating.
Capacity display
Voltage >4.6 V (Service life: approx. 3 hours, at an
ambient temperature of68 °F.
Low Bat
Flashing symbol, voltage <4.6 V
Lifetime of rechargeable battery: 0.5 h
Lifetime of battery: approx. 2.5 h
If the voltage in the rechargeable battery drops below
4.2 V, the analyser is switched off automatically to
protect against total discharge.
FG
°F FT
°F AT
p
Draught
Output
4
Initial operation
Low Bat
= Flue gas
= Flue gas temperature
= Separate ambient air temperature
= Pressure
°F/AT additional
°F/FT
Condensate trap
with filter

Power supply

Gas path

Pump
Capillary